From: Pudendal nerve decompression in perineology : a case series
 | Cases | Controls | |
---|---|---|---|
Painful skin rolling test | Before Surgery | After Surgery | Â |
Abnormal | 21 | 6 | 13 |
Normal | 17 | 28 | 69 |
Total | 38 | 34 | 82 |
Chi-square versus Controls | 17,968 | 0,001 | Â |
P-value | < 0,001 | 0,97 | Â |